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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CB-11513) iOS memory warning stops sound, but does not send status to JS-client
Date Wed, 20 Dec 2017 21:43:00 GMT

    [ https://issues.apache.org/jira/browse/CB-11513?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16299148#comment-16299148
] 

ASF GitHub Bot commented on CB-11513:
-------------------------------------

damienleroux commented on issue #120: CB-11513: (ios) Fixed: iOS memory warning stops sound,
but does not send status to JS-client
URL: https://github.com/apache/cordova-plugin-media/pull/120#issuecomment-353190609
 
 
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> iOS memory warning stops sound, but does not send status to JS-client
> ---------------------------------------------------------------------
>
>                 Key: CB-11513
>                 URL: https://issues.apache.org/jira/browse/CB-11513
>             Project: Apache Cordova
>          Issue Type: Bug
>          Components: cordova-plugin-media
>    Affects Versions: 3.6.3, 4.1.3, 6.4.0
>         Environment: iOS 9 and iOS 10
>            Reporter: Thomas K.
>              Labels: easyfix
>
> If iOS issues a memory warning while playing a sound, all sounds are terminated. However
the ios/CDVSound.m plugin does not update the state of its JS-clients, so the last state the
Client knows is Media.MEDIA_RUNNING, which is untrue after a memory warning. This results
in incorrect clientside status.
> Problem: A user's software component may send pause() instead of play() (toggle button)
effectively rendering the sound unplayable without recovery. This happened in our case.
> Fix: Do not discard currently playing sounds. The first memory warning arrives exactly
when the App enters the yellow area and consumes 500MB however it may consume 750MB and more
according to Xcode so terminating sounds on "memory warning" is incorrect behavior.
> https://github.com/apache/cordova-plugin-media/blob/master/src/ios/CDVSound.m#L814
> How to reproduce: Add 1 or 2 large animated GIFs with 200+ frames to the UIWebView, this
will consume 500MB quickly while playing the GIFs, or simulate the memory warning using the
iOS Simulator while playing a sound.



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